Fig. 5. (A) Confocal microscopy of HeLa cells incubated with PC-Apt/DQAsomes for 0 h, 2 h, and 4 h followed by 20 min light irradiation. (B) Correlative co-localization coefficient at 0 h, 2 h, and 4 h, analysed by Pearson's correlation coefficient and Mander's coefficient. Scale bar 20 μm. *p < 0.05.